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113 results for “Population trends”
Data from: Inter-annual variability and long-term trends in breeding success in a declining population of migratory swans
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Data from: Age specific survival rates of Steller sea lions at rookeries with divergent population trends in the Russian Far East
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Data from: Variations in age- and sex-specific survival rates help explain population trend in a discrete marine mammal population
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Data from: Understanding the contribution of habitats and regional variation to long-term population trends in tricolored blackbirds
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Data from: Tracking ice phenology by migratory waterbirds: settling phenology and breeding success of species with divergent population trends
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Data from: Bucking the trend: genetic analysis reveals high diversity, large population size and low differentiation in a deep ocean cetacean
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Data from: Designing monitoring protocols to measure population trends of threatened insects: a case study of the cryptic, flightless grasshopper Brachaspis robustus
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Data from: Non-breeding range size predicts the magnitude of population trends in trans-Saharan migratory passerine birds
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Data from: Species’ traits explain differences in Red list status and long-term population trends in longhorn beetles
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Data from: Using citizen-science observations to understand long-term trends in common and Pacific loon populations in urbanized Southcentral Alaska
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Data from: Wind farms affect the occurrence, abundance and population trends of small passerine birds: the case of the Dupont's lark
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Data from: Decline and recovery of a large carnivore: environmental change and long-term trends in an endangered brown bear population
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Quantifying temporal variation in dietary niche to reveal drivers of past population declines; stable isotope, harvest trends, and land use
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Alpine and Arctic tundra shrub populations show similar ontogenetic growth trends but differing absolute growth rates and lifespan
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Data from: Numbers and population trends of large herbivores in Mole National Park, Ghana
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Data from: Comparative impacts of long-term trends in snowmelt and species interactions on plant population dynamics
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Supplementary material 1 from: Marinovska PG, Todorova TI, Boyadzhiev KP, Pisareva EI, Tomova AA, Parvanova PN, Dimitrova M, Chankova SG, Petrova VY (2022) Cellular susceptibility and oxidative stress response to menadione of logarithmic, quiescent, and nonquiescent Saccharomyces cerevisiae cell populations. In: Chankova S, Peneva V, Metcheva R, Beltcheva M, Vassilev K, Radeva G, Danova K (Eds) Current trends of ecology. BioRisk 17: 127-138. https://doi.org/10.3897/biorisk.17.77320
Figure S1
Comment on Krüger (2023): Decreasing Trends of Chinstrap Penguin Breeding Colonies in a Region of Major and Ongoing Rapid Environmental Changes Suggest Population Level Vulnerability. Diversity 2023, 15, 327
<p>Data and analyis scripts for:</p> <p><strong>Comment on Krüger (2023): Decreasing Trends of Chinstrap Penguin Breeding Colonies in a Region of Major and Ongoing Rapid Environmental Changes Suggest Population Level Vulnerability. Diversity 2023, 15, 327</strong></p> <p>W. Chris Oosthuizen, Murray Christian, Mzabalazo Ngwenya</p> <p>Centre for Statistics in Ecology, Environment and Conservation, Department of Statistical Sciences, University of Cape Town, Cape Town, 7701, South Africa</p> <p><strong>Abstract</strong></p> <p>Historical data on chinstrap penguin (<em>Pygoscelis antarctica</em>) breeding population sizes are sparse and sometimes highly uncertain, making it hard to estimate true population trajectories. Yet, information on population trends is desirable as changes in population size can help inform conservation assessments. Krüger (2023) (<em>Diversity</em> 2023, 15, 327) used chinstrap penguin nest count data to predict breeding colony size trends between 1960 and 2020, to estimate whether the level of population change within three generations exceeded IUCN Red List Criteria for "Vulnerable" populations. Chinstrap penguin population trends are an important research topic, but we caution that Krüger (2023)’s statistical analyses (intended to form the foundation for drawing valid, evidence-based inferences from sparse data) contain fundamental errors that invalidate that paper's findings. We discuss these oversights to help others detect and avoid some of the pitfalls associated with estimating population trends with mixed models. While we do not address all challenges, we also show through reanalysis that improved statistical modelling can yield better predictions of chinstrap penguin population trends, at least within the range of observed data. This case study highlights (1) the profound influence that seemingly minor differences in modelling procedures (both unintentional errors and other decisions) can have on predictions of population trends, and (2) the substantial inherent uncertainty in population trend predictions derived from sparse, heterogenous data.</p> <p> Keywords: Antarctic Peninsula, IUCN red list criteria, Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD), population assessment, population trend, <em>Pygoscelis antarctica, </em>reproducible research</p>
Figure 7 from: Lee K-H, Chen T-H, Shang G, Clulow S, Yang Y-J, Lin S-M (2019) A check list and population trends of invasive amphibians and reptiles in Taiwan. ZooKeys 829: 85-130. https://doi.org/10.3897/zookeys.829.27535
Figure 7 A The invasive populations of Iguanaiguana were originally established by multiple intentional release events, specifically in Pingtung (1), Kaohsiung (2), Chiayi (3), and gradually expanded to become a continuous distribution. In 2018, a small disjunct population occurred in Taitung (4), which might be another human-induced translocation event B a mature male occupying the canopy during courtship exhibition C the large number of young lizards demonstrates breeding success. Photographed by Chung-Wei You.
Figure 4 from: Lee K-H, Chen T-H, Shang G, Clulow S, Yang Y-J, Lin S-M (2019) A check list and population trends of invasive amphibians and reptiles in Taiwan. ZooKeys 829: 85-130. https://doi.org/10.3897/zookeys.829.27535
Figure 4 ATrachemysscriptaelegans can be found in natural, semi-natural, or artificial wetlands in urban or suburban regions all around the island B they are usually found in sympatry with the native MauremyssinensisC the hatchling turtles show their potential to reproduce in some habitats. Photographed by Gaus Shang (B) and Yu-Jen Liang (C).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.